For the first time in decades Canada did not win a single medal in swimming.
The preparation leads to an exam where each student can win a single medal.
Kenya won a single medal - a gold in swimming.
Here, as with the bonus levels, a single medal can be won on each level.
American weight lifters did not win a single medal at the 1996 Olympics.
The Americans won a single medal, the bronze in the team foil.
Nigeria, however, failed to win a single medal for the first time in Olympic history since 1988, after achieving poor athletic performance at these games.
Pakistan was the most populated country at the above mentioned Olympics to have not won a single medal.
Pakistani athletes have so far won a single medal.
Somalia's Olympic team was one of the 106 that did not win a single medal at the Games.